Emerald|Lab Grown|IGI

6.57ct G VS1 Emerald Lab Grown Diamond

EX • G/VS1 • IGI LG654456099

Shape and cutting style on the report: Emerald cut

Certificate IGI LG654456099

Diamond specifications and retailer prices

From $2,067 NZD
$1,165 USD
As of November 1, 2026
Save $17,060 NZD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $19,127 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.57ct lab-grown emerald diamond

This 6.57ct lab-grown emerald sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG654456099 or 654456099. Listed at 21 retailers as of October 31, 2026, with prices from $2,067 to $19,127, a $17,060 spread on the same certified stone. Brilliant Earth lists it at $19,127. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.57
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654456099
Dimensions12.32 × 8.61 × 5.65 mm
L/W Ratio1.43
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.32 mm8.61 mm6.57 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654456099
Side View
Table 64.0%Crown 34.2°Girdle: MED-STKPavilion 34.9°Culet: LNGDepth 65.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $19,127 NZD|Low: $2,067 NZD|High: $19,517 NZD|Avg: $6,158 NZD|-2.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 15$2,067 NZD
Retailer 6$2,143 NZD
Retailer 12$2,449 NZD
Retailer 7$2,990 NZD
Retailer 5$3,018 NZD
Retailer 2$3,430 NZD
Retailer 9$4,383 NZD
Retailer 14$4,478 NZD
Retailer 10$4,576 NZD
Retailer 16$6,494 NZD
Retailer 8$6,517 NZD
Retailer 4$6,643 NZD
Retailer 11$7,639 NZD
Retailer 13$7,878 NZD
Retailer 3$16,395 NZD
Brilliant Earth$19,127 NZD

43 data points across 16 retailers

21 retailers$2,067 NZD to $19,127 NZD

Retailer 1
-
$1,773 NZD
$999 USD
Price last confirmed 31 days ago
Retailer 2
-
$2,010 NZD
$1,133 USD
View
Price last confirmed 26 days ago
A
Retailer 3
-
$2,067 NZD
$1,165 USD
View
Final sale: no returns
Retailer 4
-
$2,143 NZD
$1,208 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$2,449 NZD
$1,380 USD
View
A
Retailer 6
-
$2,990 NZD
$1,685 USD
View
B+
Retailer 7
-
$3,018 NZD
$1,701 USD
View
A
Retailer 8
-
$3,430 NZD
£1,522 GBP
View
B+
Retailer 9
-
$3,682 NZD
$2,075 USD
View
B+
Retailer 10
-
$4,383 NZD
A$3,800 AUD
View
Retailer 11
-
$4,432 NZD
$2,498 USD
View
Price last confirmed 32 days ago
B+
Retailer 12
-
$4,478 NZD
$2,524 USD
View
B+
Retailer 13
-
$4,576 NZD
ZAR 41,665 ZAR
View
B
Retailer 14
-
$6,494 NZD
$3,660 USD
View
B
Retailer 15
-
$6,517 NZD
£2,892 GBP
View
B
Retailer 16
-
$6,643 NZD
$3,744 USD
View
B
Retailer 17
-
$7,639 NZD
£3,390 GBP
View
Retailer 18
-
$7,878 NZD
$4,440 USD
View
Price last confirmed 14 days ago
B
Retailer 19
-
$8,402 NZD
$4,735 USD
View
B
Retailer 20
-
$16,395 NZD
$9,240 USD
View
Most Expensive
B
Brilliant Earth
18600452A · Oct 31
$19,127 NZD
$10,780 USD
View
20 more retailers have this diamond
Prices start from $2,067 NZDSave up to $17,060 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.57ct Emerald
$2,067 NZD